Maritime and Coastguard Agency (MCA) Bathymetric Survey HI1643, TE5a Trinity DW and Long Sand, (23/08/2019 to 24/08/2019)

Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1643; TE5a Trinity DW and Long Sand, Standard: IHO S44ed5 Order 1a, FY 2019/2020